X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=strbuf.c;h=65b4cf43434a8b7327565d0e0f87d5378d098f99;hb=b3f01ff29f7131e959bcfdfd004744d74d5fa319;hp=bc3a0802ea7e7b1743602972de182391b4bf0b3f;hpb=e8a12280530f16bf2089999ceefe35794d115d07;p=git.git

diff --git a/strbuf.c b/strbuf.c
index bc3a0802e..65b4cf434 100644
--- a/strbuf.c
+++ b/strbuf.c
@@ -399,6 +399,8 @@ int strbuf_branchname(struct strbuf *sb, const char *name)
 int strbuf_check_branch_ref(struct strbuf *sb, const char *name)
 {
 	strbuf_branchname(sb, name);
+	if (name[0] == '-')
+		return CHECK_REF_FORMAT_ERROR;
 	strbuf_splice(sb, 0, 0, "refs/heads/", 11);
 	return check_ref_format(sb->buf);
 }